Variable and input checks

Now checks if hardcoded variables have been set and eventually if
their values are acceptable.

1 files changed, 11 insertions, 1 deletions

diff --git a/repo.sh b/repo.sh
index 0003ddb..1b11af2 100755
--- a/repo.sh
+++ b/repo.sh
@@ -109,7 +109,11 @@ print_help() {
 	echo
 }
 
-if [ "$1" == '' ]; then
+if [ "${SRC_PATH}" == '' ];then
+	echo 'ERROR: SRC_PATH variable not set.'
+elif [ ! -d "${SRC_PATH}" ]; then
+	echo 'ERROR: SRC_PATH variable set to invalid path.'
+elif [ "$1" == '' ]; then
 	echo 'warning: no command called.'
 elif [ "$1" == 'add' ]; then
 	if [ "$3" != '' ]; then
@@ -144,6 +148,12 @@ elif [ "$1" == 'list' ]; then
 elif [ "$1" == 'update' ]; then
 	if [ "$3" != '' ]; then
 		echo 'error: too many arguments.'
+	elif [ "${REPO_PATH}" == '' ];then
+		echo 'ERROR: REPO_PATH variable not set.'
+	elif [ ! -d "${REPO_PATH}" ]; then
+		echo 'ERROR: REPO_PATH variable set to invalid path.'
+	elif [ "${REPO_NAME}" == '' ];then
+		echo 'ERROR: REPO_NAME variable not set.'
 	elif [ "$2" != '' ]; then
 		update_repo $2
 	else